polycrystal 中文意思是什麼
polycrystal
解釋
多結晶-
In the experimental studies on the behaviors of helium in aluminum, ion implantation technique was adopted to introduce helium with different energies, doses and distributions into some specimen of monocrystal, polycrystal, and preferred orientation as to the structure of aluminum. the energies varied in the range of 50ev to 4. 87mev. the corresponding helium peak depths by trim simulation varied in the range of 16 angstrom to 20. 7 microns
在金屬鋁中氦行為的實驗研究中，首先用離子注入技術在單晶、多晶以及擇優取向的鋁樣品中引入不同能量、劑量和濃度分佈的he原子，能量范圍從50ev 4 . 87mev ， trim模擬的he濃度峰值的深度范圍為16 （ -
V groove isolation polycrystal backfill
型隔離槽的多晶硅填充 -
This film has been identified as polycrystal znse with zinc blende structure by xrd
Xrd結果顯示該薄膜為立方閃鋅礦結構的znse多晶薄膜。 -
Zn power, se power and diethylamine was used as the sources in this method and nanocrystal znse powders were synthesized at 225. these powders have been identified as polycrystal znse with zinc blende structure by xrd. the size of particle is about 100nm ~ 200nm
採用zn粉和se粉為原料，以二乙胺為溶劑，在225下得到了znse粉末， xrd結果顯示其為znse多晶粉末，從tem照片可看出其顆粒的尺寸約為100nm 200nm 。 -
Indium antimonide polycrystal, single crystals and as - cut slices
銻化銦多晶單晶及切割片 -
Standard specification for high - purity dense yttria tetragonal zirconium oxide polycrystal for surgical implant applications
外科植入用高純度密集三氧化二釔四氧化鋯多晶體的標準規范 -
The result shows that with the addition of rare earth elements, ultrasonic irradiation and magnetic field, the chemical component, surface configuration, microstructure and properties of electroless co - ni - b and co - fe - b alloy changes remarkably. such kind of change can be described as the followings. firstly the depositing speed of electroless alloy bath is raised while the polarizability and cathodic overpotential are reduced ; secondly the surface quality of the alloy coating and adhesion of the coating and matrix are improved ; thirdly in the coatings the content of the elements in the transient group increases, but the content of cobalt decreased ; fourthly the amorphous structure is transformed to microcrystal structure and polycrystal structure ; fifthly the microhardness and wear resistance of the coating are enhanced ; sixthly coercitive force is reduced, and magnetoconductivity of the coating is increased ; lastly the magnetic intensity of the coating increases with the addition of energy and light rare earth elements such as ce, la and decreases with the addition of heavy rare earth elements such as y. on the other side, when the alloy coatings passes through the heat treatment under the temperature of 250 or 500, their properties will change
結果顯示化學沉積co - ni - b 、 co - fe - b工藝在稀土元素（ ce 、 la 、 y 、 dy ） 、能量（超聲波、磁場）介入后，沉積過程、合金成分、鍍層形貌結構和性能都有顯著變化，表現在：鍍液的陰極極化過電位和極化度降低，沉積速度提高；鍍層的結合力、表面質量改善；鍍層中過渡族元素的含量增加，輕元素硼的含量降低，同時證實了稀土元素與過渡族元素共沉積的可能性；鍍層的顯微結構由非晶態向微晶和多晶態轉變；鍍層的顯微硬度與耐磨性提高，力學性能優化；鍍層的矯頑力降低；磁導率提高；鍍層的磁化強度在能量（超聲波、磁場）和輕稀土元素ce 、 la介入后提高，重稀土元素y介入后降低。 -
Parameter determination of the dynamic constitutive equation for polycrystal copper
晶體結構多晶銅的動態本構方程參數確定 -
The ferroelectrics polycrystal consists of a set of bonded crystal and each crystal comprises a set of distinct domain under mesoscale
鐵電體由緊密相連的單晶組成，細觀尺度上鐵電體的單晶具有電疇結構。 -
Preparation of polycrystal target material of la0. 5sr0. 5coo
3多晶靶材的制備研究 -
On the basis of macroscopic simulated results, polycrystal model including grain boundary zones was established to model the mesoscopic processes
在宏觀模擬結果基礎上，通過建立包含晶界影響區的多晶模型，對宏觀拉伸試樣頸縮微區的細觀變形過程進行了數值模擬分析。 -
With plating time going on, the nano - polycrystal gathering grows in two dimensions, and the new nano - polycrystal layer appears simultaneously on the formerly formed nano - polycrystal surface. because the boundary and defect densities in quenched and tempered 45 steel is higher than those in annealed steel, the nano - polycrystal gatherings formed at its surface at the beginning of electro - deposition are more concentrated, and then their size is smaller. the microstructure of the ni - p alloy coating has closed relation with its phosphorus content with the increase of phosphorus content, the microstructure of coating turns from nano - crystalline to the amorphous
隨著施鍍時間的延長，納米晶聚晶體在橫向二維生長的同時，在納米晶聚晶體的表面上也進行著三維方向的新的一層聚晶體的生長；在調質態45鋼表面，由於其具有比較高的晶界和缺陷密度，因此在沉積初期，納米晶聚晶體的成核密度也較大，從而在二維方向聚晶體的尺度較小，鍍層沉積初期表現為緻密細小的鱗片狀組織。 -
On the surface of annealed 45 steel, as the pearlite in it contains cementite phase and has high crystal boundary density, the nucleation and growth of deposits prefer to occur at the pearlite at the beginning during depositioa the coating exists in form of nano - polycrystal layers composed by gathering of nano - sized crystals
在退火態45鋼表面，由於珠光體組織中含有滲碳體相且具有比較高的晶界密度，因而在沉積初期鍍層優先在此處形核和生長；鍍層在基體表面是以納米尺度的晶粒聚集在一起形成的聚晶體形式存在的。 -
( 110 ) ag single crystal is more suitable than ( 100 ) and ( 111 ) for epitaxial growth of ybco films. the epitaxial relationships of ybco films deposited on polycrystal ag substrates are also obtained
（ 110 ）取向的銀單晶沉積的ybco薄膜不僅具有強立方織構，而且面內取向集中， （ 110 ）取向的銀單晶更適合ybco薄膜的生長。 -
With each domain being looked as distinct material phases and ferroelectrics polycrystal as multiphase material, the coupled macroscopic thermo - electric - mechanical behavior of polycrystalline ferroelectrics can be induced by multi - scale analyze. in response to the applied stimuli, domain can switch and domain switching coverts one variant into another
將鐵電體作為非均勻材料，將電疇看作不同的材料相，鐵電體宏觀尺度的力、電、熱多類場的耦合行為，可以通過對其進行多尺度分析得到。 -
Cd1 - xznxte single crystal with good crystallinity has been grown by the descending ampoule with rotation method - before this, high - purity cd1 - xznxte polycrystal materials have been synthesized from 6n gd zn te in the same ampoule. on the basis of this, we deeply explore method of detector fabrication. and we also studied the level and density of traps in detector. gold, indium and c have been deposited as electrodes on polished and chemically etched surfaces of samples with the sizes from 5 5 1 to 10 10 1. 5mm to compare different contact technologies. the behavior of detector ' s leakage current with temperature and leakage current with time were studied as well as th current - voltage characteristics to deduce the level and density of trap in detectors
我們利用熔體溫度振蕩法在石英安瓿中將6n的單質cd 、 zn 、 te合成多晶原料，用坩鍋旋轉下降法在同一安瓿中生長出尺寸為20 40mm的cd _ （ 1 - x ） zn _ xte晶體。在此基礎上對碲鋅鎘探測器的工藝進行了較深入的研究，製作了厚1 ? 1 . 5mm的探測器，測試了c 、 in 、 au等不同金屬的電極接觸性能，並在國內首次通過測試器件的i ? v 、 i ? t曲線、弛豫特性和電容特性對電阻率、陷阱能級、陷阱濃度進行了分析，同時測得的~ （ 241 ） am源的能譜。 -
The microstructure of the polycrystal remains to be optimized to achieve good performance. to reduce the high cost and high - energy expedition of melting method, a solvothermal process followed by a sintering procedure of compacted pellets produced by using cold isostatic pressure method were mentioned to prepare polycrystalline samples of the ternary ( snte ) x ( bi2te3 ) y compounds
為彌補熔煉法高成本，高能耗等諸多缺陷，本文還採用溶劑熱法，成功合成了bi _ 2te _ 3和三元（ snte ） _ x （ bi _ 2te _ 3 ） _ y化合物，並採用冷等靜壓成型，結合常壓燒結的方法制備塊體樣品。 -
( 211 ) reflection of the polycrystal a - iron sample is used in the simulation experiments, and both the resulting full - width - at - half - maximum ( fwhm ) of the diffraction peaks and peak shifts under tensive and compressive strain are in accord with that expected from analytical methods. the instrumental resolution curves, under various combination of the first collimator and second collimator and take - off angle of the monochromator, are given
用- fe多晶樣品的（ 211 ）晶面進行了模擬實驗，得到的衍射峰半高寬以及拉應變和壓應中國原子能科學研究院博士學位論文變作用下衍射峰移動的模擬結果都與解析方法的預期值符合得很好。 -
Experimental study on the emission property of the monocrystal and polycrystal lab6 cathodes
6陰極發射性能的實驗研究 -
In general, polycrystal or twin magnetostrictive materials are used as the drive unit in micro - displacement actuator. however, the displacement output of the actuator under low magnetic field is small and its precision is limited, as a result of motion restriction of magnetic domain walls by grain boundaries in polycrystal or twin magnetostrictve materials
磁致伸縮是一種磁?機械耦合現象，以tb - dy - fe為代表的稀土超磁致伸縮材料，其伸縮量為普通壓電陶瓷的30 - 50倍，響應時間低於10 . 6秒，是理想的位移致動材料。
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